Select the correct statement about testosterone control.
A) GnRH from the hypothalamus causes FSH and LH release from the anterior pituitary.
B) FSH stimulates testicular production of testosterone.
C) Inhibin and testosterone exert positive feedback on the hypothalamus and pituitary.
D) The pineal gland is believed to be the gland that exerts the most influence in testosterone control.
B) FSH stimulates testicular production of testosterone.
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Virtually all of the protein or amino acid-based hormones exert their effects through intracellular ________.
A) ions B) deactivators C) nucleotides D) second messengers
When monocytes migrate into the interstitial spaces, they are called ________.
Fill in the blank(s) with the appropriate word(s).
Hormones that the posterior pituitary secretes are synthesized in the
A) anterior pituitary. B) thalamus. C) posterior pituitary. D) hypothalamus.
Lymphocytes and macrophages are responsive to blood-borne signals from the digestive system and from certain endocrine glands
a. True b. False Indicate whether the statement is true or false